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公开(公告)号：KR1020160081030A
公开(公告)日：2016-07-08
申请号：KR1020140194141
申请日：2014-12-30
Applicant: 한국전자통신연구원
CPC classification number: H04B17/10 , H04B7/0408
Abstract: 다중안테나통신시스템의동기신호와레퍼런스신호전송방법및 장치가개시된다.
Abstract translation: 公开了一种用于发送多天线通信系统的参考信号和同步信号的方法和装置。 根据本发明，提供了用于发送多天线通信系统的参考信号和同步信号的方法和装置。 根据本发明，简化了用于测量多天线通信系统的各种处理，从而确保了有效的操作。
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公开(公告)号：KR1020140035255A
公开(公告)日：2014-03-21
申请号：KR1020130107722
申请日：2013-09-09
Applicant: 한국전자통신연구원
CPC classification number: H04W72/046 , H01Q21/205 , H04W16/28 , H04W72/1231 , H04W72/1278
Abstract: Disclosed is a communication apparatus using a millimeter wave frequency bandwidth and a communication method thereof. The communication apparatus includes a beam scheduling unit to perform scheduling of a uplink beam and a downlink beam corresponding to movement of a terminal; a core network interface unit to transmit data provided from the beam scheduling unit to a core network and to provide data received from the core network to the beam scheduling unit; a mobile manager to configure uplink and downlink beam groups based on interference information between a beam provided from the beam scheduling unit; and an interface unit between base stations to exchange a control message with other base stations under control of the mobile manager. Accordingly, a cellular network using the millimeter wave frequency bandwidth may be efficiently established. [Reference numerals] (AA) Primary wireless backhaul link; (BB) Secondary wireless backhaul link; (CC) Wireless access link
Abstract translation: 公开了使用毫米波频率带宽的通信装置及其通信方法。 通信装置包括：波束调度单元，执行对应于终端的移动的上行链路波束和下行链路波束的调度; 核心网络接口单元，用于将从波束调度单元提供的数据发送到核心网络，并将从核心网络接收的数据提供给波束调度单元; 基于从所述波束调度单元提供的波束之间的干扰信息来配置上行链路和下行链路波束组的移动管理器; 以及基站之间的接口单元，以在移动管理器的控制下与其他基站交换控制消息。 因此，可以有效地建立使用毫米波频率带宽的蜂窝网络。 （附图标记）（AA）主无线回程链路; （BB）二级无线回程链路; （CC）无线接入链路
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公开(公告)号：KR1020140022727A
公开(公告)日：2014-02-25
申请号：KR1020130092386
申请日：2013-08-05
Applicant: 한국전자통신연구원
IPC: H04W16/28
CPC classification number: H04W16/28
Abstract: Disclosed is a beamforming method based on a cluster, capable of improving the transmission performance of data by using a millimeter wave band. The beamforming method performed in a base station includes the steps of: transmitting control information to a plurality of terminals; receiving measurement information corresponding to the control information from the terminals; grouping the terminals into a plurality of groups based on the received measurement information; and transmitting the received measurement information to an upper base station by beamforming. Thereby, a high speed data transmission is performed through a small cell communication environment based on a beam using the millimeter wave band. [Reference numerals] (100) Central base station; (200) Relay base station; (300) Mobile terminal; (S210) Control information; (S220) Perform measurement from received control information; (S230) Measurement information; (S240) Mobile terminal grouping; (S250) Measurement information; (S260,270) Service request; (S280) Beamformed information; (S290) Service response
Abstract translation: 公开了一种基于群集的波束成形方法，能够通过使用毫米波段来提高数据的传输性能。 在基站中执行的波束成形方法包括以下步骤：向多个终端发送控制信息; 从所述终端接收对应于所述控制信息的测量信息; 基于所接收的测量信息将终端分组成多个组; 以及通过波束成形将所接收的测量信息发送到上位基站。 由此，通过基于使用毫米波段的波束的小小区通信环境进行高速数据发送。 （附图标记）（100）中央基站; （200）中继基站; （300）移动终端; （S210）控制信息; （S220）从接收到的控制信息进行测量; （S230）测量信息; （S240）移动终端分组; （S250）测量信息; （S260,270）服务请求; （S280）投影信息; （S290）服务响应
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公开(公告)号：KR101267569B1
公开(公告)日：2013-05-23
申请号：KR1020090081445
申请日：2009-08-31
CPC classification number: H04B7/0417 , H04B7/0626 , H04B7/0632 , H04W52/42
Abstract: 본발명에서, 전력할당제어기는사용자별로전송할데이터들을비선형방식으로선 부호화하여출력하는블록탐린슨-해르시마프리코더(Block Tomlinson-Harashima Precoder;BTHP)를포함한다. 이 BTHP는사용자들로부터피드백받은채널정보에기초하여사용자별데이터에대해간섭신호를제거하여출력한다. BTHP에서출력되는사용자별데이터는전력할당제어기에의해전력이할당된다. 전력할당제어기는다중안테나를통해데이터를수신하는사용자별수신단에서의수신최소거리가동일해지도록하는전력할당변수를산출하여사용자별데이터에대해각각할당한다. 본발명에따르면, 다중사용자환경의다중안테나시스템에서 BTHP와 ML 수신기법을사용할때 사용자별데이터에할당되는전력을모든사용자의에러성능을유사하게조정함으로써시스템의평균에러성능을향상시킬수 있다.
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公开(公告)号：KR1020130043048A
公开(公告)日：2013-04-29
申请号：KR1020120061199
申请日：2012-06-08
Applicant: 한국전자통신연구원
CPC classification number: H04W72/0406 , H04W4/70 , H04W72/0453
Abstract: PURPOSE: A resource assignment device for an MTC(Machine Type Communication) device and a method thereof are provided to offer a terminal service of an MTC type by using a mobile communication network based on LTE(Long Term Evolution) or LTE-A(LTE-Advanced). CONSTITUTION: A frame configuration unit(220) determines the existence of resources which are assigned for an MTC device in one or more resource sections. When the resource assigned for the MTC device is existed, the frame configuration unit determines the class of the MTC device. The frame configuration unit determines the bandwidth of a resource area for an MTC device. The frame configuration unit configures a downlink frame according to the bandwidth of the resource area for the MTC device. A transmission and reception unit(230) transmits the configured downlink frame. [Reference numerals] (210) Bandwidth information storage unit; (220) Frame configuration unit; (230) Transmission and reception unit;
Abstract translation: 目的：提供一种用于MTC（机器类型通信）装置的资源分配装置及其方法，用于通过使用基于LTE（长期演进）或LTE-A（LTE）的移动通信网络来提供MTC类型的终端服务 -高级）。 构成：帧配置单元（220）确定在一个或多个资源部分中为MTC设备分配的资源的存在。 当分配给MTC设备的资源存在时，帧配置单元确定MTC设备的类别。 帧配置单元确定MTC设备的资源区域的带宽。 帧配置单元根据MTC设备的资源区域的带宽配置下行链路帧。 发送接收单元（230）发送配置的下行链路帧。 （附图标记）（210）带宽信息存储单元; （220）框架配置单元; （230）发送和接收单元;
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Patent Agency Ranking
公开(公告)号：KR101207570B1
公开(公告)日：2012-12-03
申请号：KR1020090003509
申请日：2009-01-15
CPC classification number: H04B7/024 , H04B7/0617 , H04B7/0626 , H04J11/0053
Abstract: 셀간 간섭완화방법에서, 복수의단말을복수의그룹으로그룹화한다. 기지국이복수의그룹중 제1 그룹에속한제1 단말에는인접기지국과의협력없이데이터를전송한다. 그리고기지국이복수의그룹중 제2 그룹에속한제2 단말에는인접기지국과의협력을통하여데이터를전송한다.
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公开(公告)号：KR1020110068052A
公开(公告)日：2011-06-22
申请号：KR1020090124876
申请日：2009-12-15
Applicant: 한국전자통신연구원
CPC classification number: H04W52/245 , H04W16/08 , H04W16/10 , H04W52/143 , H04W52/242 , H04W52/386
Abstract: PURPOSE: A transmission power control method in a cellular system is provided to variably operate a cell area in a cellular system in which the location of a base station is changed. CONSTITUTION: A base station receives a reference signal from one or more base stations(S200). The base station presumes a radio wave environment between a peripheral base station and the base station by using reception power of a reference signal(S210). The base station decides the transmission power based on the radio wave environment(S220). The base station controls the cell region of the base station(S230).
Abstract translation: 目的：提供一种蜂窝系统中的发射功率控制方法，用于可变地操作基站的位置改变的蜂窝系统中的小区区域。 构成：基站从一个或多个基站接收参考信号（S200）。 基站通过使用参考信号的接收功率来假设在外围基站与基站之间的无线电波环境（S210）。 基站基于无线电波环境来决定发送功率（S220）。 基站控制基站的小区区域（S230）。
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公开(公告)号：KR1020100070760A
公开(公告)日：2010-06-28
申请号：KR1020080129451
申请日：2008-12-18
Applicant: 한국전자통신연구원
CPC classification number: H04B7/2606 , H04B7/15528
Abstract: PURPOSE: A method for selecting transmission-reception antenna relay is provided to supply in order to reduce a feedback overhead created from a process of the feedback. CONSTITUTION: An antenna selection vector generator(320) produces 'a coefficient vector for selecting one of a plurality of transmission antennas' using a channel value. An antenna selection multiplier(330) multiplies the coefficient vector to a downlink signal especially received a plurality of receiving antennas. An adder(340) outputs one signal with adding the signals which the coefficient vector is multiplied. An amplifier outputs the outputted one signal with amplifying in order to transmit to a terminal belonging to a relay domain of a repeater.
Abstract translation: 目的：提供一种用于选择发送接收天线中继的方法，以便减少从反馈过程产生的反馈开销。 构成：天线选择矢量发生器（320）使用信道值产生用于选择多个发射天线之一的系数矢量。 天线选择乘法器（330）将系数向量与特别接收的多个接收天线的下行链路信号相乘。 加法器（340）输出一个与系数矢量相乘的信号相加的信号。 放大器通过放大器输出输出的一个信号，以便发送到属于中继器的中继域的终端。
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公开(公告)号：KR1020100064318A
公开(公告)日：2010-06-14
申请号：KR1020090081445
申请日：2009-08-31
CPC classification number: H04B7/0417 , H04B7/0626 , H04B7/0632 , H04W52/42 , H04B7/0426 , H04B7/0456
Abstract: PURPOSE: A device and a method for transmitting multi antenna system are provided to control a power assigned to a user data in use of BTHP(Block Tomlinson-Harashima Precoder) and ML(Maximum Likelihood) receiving method in a MIMO(Multi Input Multi Output), thereby improving the average error function of a system. CONSTITUTION: A linear encoder(120) outputs transmission data by user through non-linear type of linear encoder. A power allocation control unit(130) assigns power data by user and data of the linear encoder. A channel dividing filter(140) respectively multiplies a filter value to the data by a user. The power allocation control unit respectively assigns calculates power allocation variable to the data by a user.
Abstract translation: 目的：提供一种用于发送多天线系统的装置和方法，用于在MIMO（多输入多输出）中使用BTHP（块Tomlinson-Harashima Precoder）和ML（最大似然）接收方法来控制分配给用户数据的功率 ），从而提高系统的平均误差函数。 构成：线性编码器（120）通过非线性类型的线性编码器输出用户的传输数据。 功率分配控制单元（130）根据用户分配功率数据和线性编码器的数据。 信道分割滤波器（140）分别由用户将滤波器值与数据相乘。 功率分配控制单元分别由用户分配给该数据的功率分配变量。
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公开(公告)号：KR1020090097101A
公开(公告)日：2009-09-15
申请号：KR1020090004301
申请日：2009-01-19
Applicant: 한국전자통신연구원
CPC classification number: H04L27/3433 , H03M13/25 , H03M13/258 , H03M13/356 , H04L1/006 , H04L1/0071
Abstract: An apparatus and a method for mapping a symbol are provided to symbol-map reliability of information bits and reliability of redundancy bits differently, thereby improving performance. A systematic encoder encodes transmission data(S410). An encoder outputs a plurality of information bits including added redundancy bits. A puncher punches an information bit and a redundancy bit(S420). The puncher punches only the redundancy bit except the information bit. An information interleaver interleaves the punched information bit. The redundancy interleaver interleaves a punched redundancy bit(S430). A symbol mapping device maps the interleaved information bit and the interleaved redundancy bit on symbols respectively(S440).
Abstract translation: 提供了用于映射符号的装置和方法，用于不同地对符号映射信息位的可靠性和冗余位的可靠性，从而提高性能。 系统编码器对发送数据进行编码（S410）。 编码器输出包括附加的冗余位的多个信息位。 打孔机冲击信息位和冗余位（S420）。 打孔机只打破除信息位之外的冗余位。 信息交织器交织穿孔信息位。 冗余交织器交织穿孔冗余位（S430）。 符号映射设备分别对交织的信息比特和交织的冗余比特进行映射（S440）。
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